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#1 |
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diyAudio Member
Join Date: May 2012
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Hello .
Does anyone know any other type of transistor to replace this difficult to find Ac151 r Vi ? It is for use in the Af stage of a uher 4000 report L reel to reel Thank you! |
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#2 |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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I would try the version without "r" (you will get more bad signal to noise ratio, but in an extrem small amount).
Very important is the fact, that you must use a genuine Siemens NOS version like from the follow auctions: AC151(V) GERMANIUM TRANSISTOR | eBay AC151(V) GERMANIUM TRANSISTOR | eBay AC151 Siemens Germanium Transistor Fuzz Pedal NOS AC151/1 | eBay Versions from other brands are mostly not helpful. |
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